condition mean min max ZT0-3 0.36242 0.0 1.0872600000000001 ZT4-7 0.606893 0.606893 0.606893 ZT8-11 0.705472 0.705472 0.705472 ZT12-15 0.147968426775 1.235355e-05 0.2959245 ZT16-19 0.3034055 0.3034055 0.3034055 ZT20-23 0.122574 0.122574 0.122574